D-vitamiini on vaja, aga liig teeb liigaLiebert, TiiuTervisemeeter2022 / Lk. 6-7 : fot https://www.ester.ee/record=b5295006*est 4-pyridoxic acid in the spent dialysate : contribution to fluorescence and optical monitoringKalle, Sigrid; Tanner, Risto; Arund, Jürgen; Tomson, Ruth; Luman, Merike; Fridolin, IvoPLoS ONE2016 / art. e0162346, p. 1-11 : ill http://dx.doi.org/10.1371/journal.pone.0162346 Rauavaegust võivad tekitada selle imendumist takistavad toidudLiebert, TiiuPostimees2021 / Lk. 19 https://dea.digar.ee/article/postimees/2021/07/20/16.6 Stressile aitab kaasa oluliste vitamiinide vaegusLiebert, TiiuTervisemeeter2021 / Lk. 8 https://www.ester.ee/record=b5295006*est https://dea.digar.ee/cgi-bin/dea?a=cl&cl=CL1&sp=tervisemeeter Toidunipid väsimuse vastu : [TTÜ toitumisteadlase Tagli Pitsi soovitusi]Eilsen, Stina; Pitsi, TagliPostimees2009 / 4. apr., Arter, lk. 15 https://tervis.postimees.ee/102437/toidunipid-vasimuse-vastu Vitamins in nutrition and the prevalence of hypovitaminoses of some population groups in Estonia (review 1964-1994)Saava, MerileidFood and nutrition = Toit ja toitumine1997 / p. 38-54